VDB-189468 · CVE-2021-20132 · GCVE-0-2021-20132

D-Link DIR-2640 1.11B02 Quagga Service hard-coded credentials

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
9.5	$5k-$25k	0.00

Summaryinfo

A vulnerability was found in D-Link DIR-2640 1.11B02. It has been declared as critical. This issue affects some unknown processing of the component Quagga Service. The manipulation results in hard-coded credentials. This vulnerability was named CVE-2021-20132. The attack may be performed from remote. There is no available exploit.

Detailsinfo

A vulnerability classified as very critical has been found in D-Link DIR-2640 1.11B02 (Router Operating System). Affected is some unknown processing of the component Quagga Service. The manipulation with an unknown input leads to a hard-coded credentials vulnerability. CWE is classifying the issue as CWE-798. The product contains hard-coded credentials, such as a password or cryptographic key, which it uses for its own inbound authentication, outbound communication to external components, or encryption of internal data. This is going to have an impact on confidentiality, integrity, and availability.

The weakness was presented 12/31/2021. The advisory is shared for download at tenable.com. This vulnerability is traded as CVE-2021-20132 since 12/17/2020. There are neither technical details nor an exploit publicly available. The current price for an exploit might be approx. USD $5k-$25k (estimation calculated on 12/31/2021). The MITRE ATT&CK project declares the attack technique as T1110.001.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

Once again VulDB remains the best source for vulnerability data.

Productinfo

Type

Router Operating System

Vendor

D-Link

Name

DIR-2640

Version

1.11B02

License

commercial

Website

Vendor: https://www.dlink.com/

CPE 2.3info

🔍

CPE 2.2info

🔍

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 9.8
VulDB Meta Temp Score: 9.5

VulDB Base Score: 9.8
VulDB Temp Score: 9.5
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock

VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Hard-coded credentials
CWE: CWE-798 / CWE-259 / CWE-255
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

12/17/2020 🔍
12/31/2021 +379 days 🔍
12/31/2021 +0 days 🔍
01/05/2022 +5 days 🔍

Sourcesinfo

Vendor: dlink.com

Advisory: tenable.com
Status: Not defined

CVE: CVE-2021-20132 (🔍)
GCVE (CVE): GCVE-0-2021-20132
GCVE (VulDB): GCVE-100-189468

Entryinfo

Created: 12/31/2021 08:01
Updated: 01/05/2022 08:32
Changes: 12/31/2021 08:01 (38), 01/05/2022 08:32 (1)
Complete: 🔍
Cache ID: 216::103